{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["releaser", "vulnerable system", "common vulnerabilities and exposures", "vulnerable system version", "supported platform", "patch number", "time", "vulnerability", "patch", "issues addressed"]}], "input": "Both expressed doubts that attackers would be able to exploit the vulnerabilities that CTS - Labs had originally discovered ."}
{"patch vulnerability": []}